CBSE Class-5 lesson 1 Introduction to Early Computers
-
Upload
swathivinod -
Category
Education
-
view
399 -
download
1
description
Transcript of CBSE Class-5 lesson 1 Introduction to Early Computers
![Page 1: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/1.jpg)
Introduction To Early Computers
![Page 2: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/2.jpg)
![Page 3: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/3.jpg)
![Page 4: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/4.jpg)
Abacus
• Its the first known device used for calculation• It was invented more than 5000 years ago• It was used in china for counting
![Page 5: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/5.jpg)
![Page 6: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/6.jpg)
Difference Engine
• Charles Babbage designed the Difference Engine in 1822 to prepare mathematical tables
• It had many similarities with modern computer
![Page 7: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/7.jpg)
![Page 8: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/8.jpg)
MARK-1
• It was first automatic digital computer• It was made in 1944
![Page 9: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/9.jpg)
![Page 10: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/10.jpg)
![Page 11: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/11.jpg)
ENIAC
![Page 12: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/12.jpg)
• It was the first general purpose computer• It used vaccum tubes• It was very large in size.
![Page 13: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/13.jpg)
Generation 1 : ENIAC The ENIAC (Electronic Numerical Integrator and Computer) was unveiled in 1946: the first all-electronic, general-purpose digital computer
![Page 14: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/14.jpg)
UNIVAC-1
![Page 15: CBSE Class-5 lesson 1 Introduction to Early Computers](https://reader036.fdocuments.us/reader036/viewer/2022081413/548fa2efb4795963488b4c05/html5/thumbnails/15.jpg)
UNIVAC-1
• It was made in 1951• It was faster than previous computers.